James G. Acker
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View article: Satellite-Derived Estimates of Suspended CaCO3 Mud Concentrations from the West Florida Shelf Induced by Hurricane Ian
Satellite-Derived Estimates of Suspended CaCO3 Mud Concentrations from the West Florida Shelf Induced by Hurricane Ian Open
In the days following the passage of Hurricane Ian over the West Florida Shelf, a large plume of calcium carbonate (CaCO3) mud slurry was observed extending from west of the Dry Tortugas and curving to the east into the Straits of Florida.…
View article: Low-Cost Digital Twin Approach and Tools to Support Industry and Academia: A Case Study Connecting High-Schools with High Degree Education
Low-Cost Digital Twin Approach and Tools to Support Industry and Academia: A Case Study Connecting High-Schools with High Degree Education Open
Robotics and automation have been a growing area within K–12 educational institutions for the past decade. Across secondary educational institutions, students are introduced to robotics in classes, after-school clubs, and competition leagu…
View article: Improving NASA’s Earth Satellite and Model Data Discoverability for Interdisciplinary Research, Applications, and Education
Improving NASA’s Earth Satellite and Model Data Discoverability for Interdisciplinary Research, Applications, and Education Open
Since the Internet era began, numerous earth science data services have been developed to facilitate data discovery (e.g., data sources, documents, facts, visualization, opinions) and data access for research and application activities. Fo…
View article: Identifying Meteorologic and Oceanic Conditions Contributing to a Unique Phytoplankton Bloom Occurrence in Micronesia during October 2013
Identifying Meteorologic and Oceanic Conditions Contributing to a Unique Phytoplankton Bloom Occurrence in Micronesia during October 2013 Open
On the first several days of October 2013, daily chlorophyll a (chl a) data acquired by the Moderate Resolution Imaging Spectroradiometer (MODIS) onboard the National Aeronautics and Space Administration (NASA) Aqua satellite detected a ma…
View article: Developing Metrics for NASA Earth Science Interdisciplinary Data Products and Services
Developing Metrics for NASA Earth Science Interdisciplinary Data Products and Services Open
Metrics are measures that are able to produce quantifiable information. There are many applications of metrics in Earth science data and services; for example, metrics are frequently used to track service performance and progress. In short…
View article: An Update on Global Satellite-Based Precipitation Products and Services at NASA GES DISC
An Update on Global Satellite-Based Precipitation Products and Services at NASA GES DISC Open
The NASA Goddard Earth Sciences Data and Information Services Center (GES DISC) is home to major NASA satellite precipitation measurement missions including the Tropical Rainfall Measuring Mission (TRMM) and the Global Precipitation Measur…
View article: Linking Publications, Knowledge, and Data in Earth Sciences
Linking Publications, Knowledge, and Data in Earth Sciences Open
Facilitating usage based Earth science dataset discovery through creating knowledge base from the scientific publications content. This presentation was given at the Earth Science Information Partners (ESIP) Summer Meeting held online in J…
View article: Challenges in Development of Online Visualization and Analysis Tools for Satellite Data
Challenges in Development of Online Visualization and Analysis Tools for Satellite Data Open
Over the years, various online visualization and analysis tools have been developed to facilitate satellite data access and help scientific users around the world to conduct research and develop applications (e.g., data product evaluation,…
View article: Giovanni: The Bridge Between Data and Science
Giovanni: The Bridge Between Data and Science Open
Using satellite remote sensing data sets can be a daunting task. Giovanni, a Web-based tool, facilitates access, visualization, and exploration for many of NASA’s Earth science data sets.
View article: Using Giovanni with Tri-Plot to Create a Simple Ternary Optical Classification System for Ocean Surface Waters
Using Giovanni with Tri-Plot to Create a Simple Ternary Optical Classification System for Ocean Surface Waters Open
We have devised a simple optical parameter classification system using the three apparent optical property (AOP) parameters available in the NASA Geospatial Interactive Online Visualization and Analysis Infrastructure (Giovanni). These par…
View article: Data Recipes: Toward Creating How-To Knowledge Base for Earth Science Data
Data Recipes: Toward Creating How-To Knowledge Base for Earth Science Data Open
Both the diversity and volume of Earth science data from satellites and numerical models are growing dramatically, due to an increasing population of measured physical parameters, and also an increasing variety of spatial and temporal reso…